JSDoc Comment Generator

x402

JSDoc Comment Generator is a paid API for AI agents from api.strale.io, paid per call via x402, $0.054001/call, status unknown (last checked 2026-09-13).

Automatically generates JSDoc comments for JavaScript/TypeScript functions and classes, inferring parameter types, return types, and thrown exceptions.

Price / call$0.054001

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StatusUnknown

How this service works

Add JSDoc comments to JavaScript/TypeScript functions and classes. Infers param types, return types, and throws.

Output

Returns the original code enhanced with JSDoc block comments including @param tags with inferred types, @returns tag with inferred return type, and @throws tags for any detected exceptions.

Example use cases

Batch document legacy codebase

“I've got a bunch of old JavaScript files that have no documentation. Can you go through them and add JSDoc comments to every function and class? Make sure you infer the parameter types, return types, and any errors they might throw.”

Auto-generate TypeScript API docs

“I need to quickly document this TypeScript API module with proper JSDoc comments. Can you add comprehensive @param, @returns, and @throws tags for all the functions, inferring the types from the code?”

Prepare code for team review

“Before I submit this pull request, can you add JSDoc annotations to my JavaScript functions? I want the parameters, return values, and potential exceptions all clearly documented so my team understands what each function does.”

Technical details

Endpoint

GEThttps://api.strale.io/x402/jsdoc-generate

When to prefer

Choose this endpoint when you need to automatically document JavaScript or TypeScript code with JSDoc comments, especially when type inference for params, returns, and throws is needed without running a full TypeScript compiler or linter.

Side effects

Missing 'code' query parameter returns a validation error
Unparseable or syntactically invalid code may produce incomplete or malformed JSDoc
Very large code blocks may time out or return partial results
Non-JavaScript/TypeScript input (e.g. Python) may yield nonsensical annotations

Input

{
  "code": "function add(x, y) { if (typeof x !== 'number' || typeof y !== 'number') throw new TypeError('Arguments must be numbers'); return x + y; }"
}

Schema · Request body

Field	Type	Description
inputrequired	object

Output

{
  "_meta": {
    "payment": {
      "method": "x402",
      "price_usd": 0.054000000000000006,
      "settlement_id": "0xb3c5be245d4b548b6cb7a2c0b92a1b94f4225f3eedc63b59538c8af3e9d1b3cf"
    },
    "capability": "jsdoc-generate",
    "latency_ms": 1402,
    "provenance": {
      "source": "claude-haiku",
      "fetched_at": "2026-06-13T04:24:02.269Z"
    }
  },
  "tags_used": [
    "@param",
    "@returns",
    "@throws",
    "@example"
  ],
  "documented_code": "/**\n * Adds two numbers together.\n * @param {number} x - The first number to add\n * @param {number} y - The second number to add\n * @returns {number} The sum of x and y\n * @throws {TypeError} If either argument is not a number\n * @example\n * add(2, 3); // returns 5\n */\nfunction add(x, y) { if (typeof x !== 'number' || typeof y !== 'number') throw new TypeError('Arguments must be numbers'); return x + y; }",
  "functions_documented": 1,
  "type_annotations_added": 2
}

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How this service works

Add JSDoc comments to JavaScript/TypeScript functions and classes. Infers param types, return types, and throws.

Output

Returns the original code enhanced with JSDoc block comments including @param tags with inferred types, @returns tag with inferred return type, and @throws tags for any detected exceptions.

Example use cases

Batch document legacy codebase

Auto-generate TypeScript API docs

Prepare code for team review

Technical details

Endpoint

GEThttps://api.strale.io/x402/jsdoc-generate

When to prefer

Side effects

Missing 'code' query parameter returns a validation error
Unparseable or syntactically invalid code may produce incomplete or malformed JSDoc
Very large code blocks may time out or return partial results
Non-JavaScript/TypeScript input (e.g. Python) may yield nonsensical annotations

Input

{
  "code": "function add(x, y) { if (typeof x !== 'number' || typeof y !== 'number') throw new TypeError('Arguments must be numbers'); return x + y; }"
}

Schema · Request body

Field	Type	Description
inputrequired	object

Output

{
  "_meta": {
    "payment": {
      "method": "x402",
      "price_usd": 0.054000000000000006,
      "settlement_id": "0xb3c5be245d4b548b6cb7a2c0b92a1b94f4225f3eedc63b59538c8af3e9d1b3cf"
    },
    "capability": "jsdoc-generate",
    "latency_ms": 1402,
    "provenance": {
      "source": "claude-haiku",
      "fetched_at": "2026-06-13T04:24:02.269Z"
    }
  },
  "tags_used": [
    "@param",
    "@returns",
    "@throws",
    "@example"
  ],
  "documented_code": "/**\n * Adds two numbers together.\n * @param {number} x - The first number to add\n * @param {number} y - The second number to add\n * @returns {number} The sum of x and y\n * @throws {TypeError} If either argument is not a number\n * @example\n * add(2, 3); // returns 5\n */\nfunction add(x, y) { if (typeof x !== 'number' || typeof y !== 'number') throw new TypeError('Arguments must be numbers'); return x + y; }",
  "functions_documented": 1,
  "type_annotations_added": 2
}